/usr/bin/proxysql_exporter 1.1.3 exports various ProxySQL metrics in Prometheus format.
It uses DATA_SOURCE_NAME environment variable with following format: https://github.com/go-sql-driver/mysql#dsn-data-source-name
Default value is "stats:stats@tcp(localhost:6032)/".

Usage: /usr/bin/proxysql_exporter [flags]

Flags:
  -collect.detailed.stats_mysql_processlist
    	Collect detailed connection list from stats_mysql_processlist.
  -collect.mysql_connection_list
    	Collect connection list from stats_mysql_processlist. (default true)
  -collect.mysql_connection_pool
    	Collect from stats_mysql_connection_pool. (default true)
  -collect.mysql_status
    	Collect from stats_mysql_global (SHOW MYSQL STATUS). (default true)
  -collect.runtime_mysql_servers
    	Collect from runtime_mysql_servers.
  -collect.stats_command_counter
    	Collect histograms over command latency
  -collect.stats_memory_metrics
    	Collect memory metrics from stats_memory_metrics.
  -log.level string
    	Only log messages with the given severity or above. Valid levels: [debug, info, warn, error] (default "error")
  -version
    	Print version information and exit.
  -web.listen-address string
    	Address to listen on for web interface and telemetry. (default ":42004")
  -web.telemetry-path string
    	Path under which to expose metrics. (default "/metrics")